SB2020092601 - OpenSUSE Linux update for libqt4
Published: September 26, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) XXE attack (CVE-ID: CVE-2018-15518)
The vulnerability allows a remote attacker to conduct XXE-attack.
The vulnerability exists due to improper handling of XML External Entities (XXEs) when parsing an XML file. A remote attacker can trick the victim into opening an XML file that submits malicious input, trigger a double-free error in QXmlStream and cause the service to crash.
2) Buffer overflow (CVE-ID: CVE-2018-19869)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing SVG images within the qsvghandler.cpp file in Qt. A remote attacker can create a specially crafted image, pass it to he application that uses Qt library for SVG processing, trigger memory corruption and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
3) Buffer overflow (CVE-ID: CVE-2018-19873)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to buffer overflow in QBmpHandler. A remote attacker can trick the victim into opening specially crafted BMP data, trigger memory corruption and cause the service to crash.
4) Out-of-bounds read (CVE-ID: CVE-2020-17507)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to buffer over-read. A remote attacker can perform a denial of service attack.
Remediation
Install update from vendor's website.